| 1st | 8 | John Paul, Jr. / John Paul | Porsche 935 JLP-3 | JLP Racing | 1:38.0900 |
| 2nd | 1 | John Fitzpatrick / Jim Busby | Porsche 935 K3/80 | John Fitzpatrick Racing | 1:38.4590 |
| 3rd | 3 | Rolf Stommelen / Howard Meister | Porsche 935 M16 | Andial Meister Racing | 1:38.5000 |
| 4th | 9 | Bobby Rahal / Brian Redman | Porsche 935 K3/80 | Cooke-Woods Racing | 1:40.3680 |
| 5th | 30 | Gianpiero Moretti / Jochen Mass | Porsche 935/78-81 | Momo/Penthouse | 1:40.3820 |
| 6th | 2 | David Hobbs / Marc Surer / John Morton | March BMW M1/C | BMW North America | 1:40.5510 |
| 7th | 86 | Hurley Haywood / Bruce Leven | Porsche 935/80 | Bayside Disposal Racing | 1:41.8730 |
| 8th | 0 | Ted Field / Danny Ongais | Porsche 935 K3/80 | Interscope Racing | 1:41.8740 |
| 9th | 46 | Mauricio DeNarvaez / Bob Akin / Skeeter McKitterick | Porsche 935J | Mauricio DeNarvaez | 1:43.5610 |
| 10th | 33 | Paul Newman | Datsun 280ZX Turbo | Bob Sharp Racing | 1:44.6440 |
| 11th | 19 | Chris Cord / Jim Adams | Chevrolet Monza | Chris Cord | 1:44.8730 |
| 12th | 25 | Kenper Miller / Dave Cowart | BMW M1 | Red Lobster Racing | 1:48.7220 |
| 13th | 90 | Bob Garretson / Ralph Kent-Cooke / Roy Woods | Porsche 935 K3 | Bob Garretson Enterprises | 1:49.2840 |
| 14th | 11 | Dennis Aase / Pete Smith | BMW M1 | Kendall Racing | 1:49.7800 |
| 15th | 09 | Gary Belcher | Porsche 935 K3 | Preston Henn | no time |
| 16th | 21 | Jamey Mazzotta / Steve Earle | Porsche 935 Turbo | KMS Research | no time |
| 17th | 40 | David Deacon | BMW M1 | David Deacon Racing | 1:51.6100 |
| 18th | 14 | Alf Gebhardt / Bruno Beilcke / Mike Freberg | BMW M1 | Bavarian Motors International | no time |
| 19th | 75 | Les Lindley | Chevrolet Camaro | Les Lindley | 1:52.0400 |
| 20th | 84 | "Jamsal" / Eduardo Barrientos | Porsche 935 M16 | Scorpio Racing | no time |
| 21st | 48 | John Carusso / Phil Currin | Chevrolet Corvette | Dynasales | no time |
| 22nd | 18 | Carlos Moran / Karen Erstad | Porsche 935 JLP-2 | JLP Racing | 1:53.1520 |
| 23rd | 76 | John Chamberlain / Joe Chamberlain | Chevrolet Corvette | Arrow Heating Co. | no time |
| 24th | 54 | Albert Naon / Tony Garcia / Hiram Cruz | BMW M1 | Montura Racing | 1:53.9930 |
| 25th | 58 | Alan Johnson | Porsche Carrera RSR | Kendall Racing | 1:54.5650 |
| 26th | 98 | Lee Mueller / Walt Bohren | Mazda RX-7 | Kent Racing | 1:54.6400 |
| 27th | 80 | Vic Manuelli / Bruce Mallery / Ron Woods | De Tomaso Pantera | Fantasy Racing | no time |
| 28th | 82 | Jim Cook / John Casey | Mazda RX-7 | Trinity Racing | 1:55.7770 |
| 29th | 62 | Bill Koll / Jeff Kline | Porsche 911 SC | Kegel Enterprises | 1:56.0570 |
| 30th | 45 | Bill Cooper / Dwight Mitchell / Ray Ratcliff | Porsche 914/6 | Autosport Technology | no time |
| 31st | 28 | Sam Posey / Fred Stiff | Datsun 280ZX | NTS Racing | 1:56.4810 |
| 32nd | 92 | Kathy Rude / Divina Galica | Mazda RX-7 | Kent Racing | 1:56.7130 |
| 33rd | 77 | Patrick Jacquemart | Renault Le Car Turbo | Renault USA | 1:57.6280 |
| 34th | 22 | Wayne Baker | Porsche 914/4 | Personalized Autohaus | no time |
| 35th | 23 | Frank Carney / Dick Davenport | Datsun 280ZX | Raytown Datsun | 1:58.0050 |
| 36th | 04 | Tico Almeida / Rene Rodriguez | Porsche Carrera RSR | T & R Racing | no time |
| 37th | 51 | Robert Kirby / John Hotchkis | Porsche Carrera RSR | Casa Blanca Fan | 1:58.2130 |
| 38th | 43 | Bob Gregg / Len Jones | Porsche Carrera | Bob Gregg | 1:58.6230 |
| 39th | 56 | Rick Borlase / Michael Hammond | Porsche Carrera | Rick Borlase | 1:59.4510 |
| 40th | 08 | Preston Henn / Marty Hinze | Porsche 935 K3 | Preston Henn | no time |
| 41st | 7 | Jim Mullen / Rick Knoop | Mazda RX-7 | Loud Car Racing | 1:59.8190 |
| 42nd | 66 | Jack Dunham | Mazda RX-7 | Jack Dunham | 2:01.0000 |
| 43rd | 73 | Jerry Demele / Terry Herman | Porsche 911 | Douglas Dowden | 2:02.7260 |
| 44th | 81 | Steve Dietrich / Tom Winters | Mazda RX-7 | Trinity Racing | 2:04.1340 |
| 45th | 55 | Roger Mandeville / Amos Johnson | Mazda RX-7 | Mandeville Racing | 2:03.9150 |
| 46th | 38 | Fred Markoff | Chevrolet Corvette | Jason Len | 2:02.4600 |
| 47th | 39 | Greg LaCava | Porsche 911 | Fatcola | 2:00.1810 |
| 48th | 74 | Casey Mollett / Frank Honsowetz | Datsun Z | McDonalds Houses | no time |
| 49th | 71 | Bobbee Nylander / Gary Nylander | Porsche 911 | Bear Gulch Racing | 2:03.6410 |
| 50th | 17 | Richard Woodbury / Bruce Campbell | Porsche 911 | Richard Woodbury | 2:08.7220 |
| 51st | 50 | Jim Downing / Irv Hoerr | Mazda RX-7 | Downing/Atlanta | 2:07.1850 |
| 52nd | 42 | Bob Copeman | Porsche Carrera | Alex Porsche Haus | 2:01.1560 |
| 53rd | 96 | John Samson / Bill Kohl | Alfa Romeo GTV | John Samson | 2:13.0010 |
| 54th | 24 | Zvonimir Jovanovic / Carl Wong | Porsche 911 | Zvonimir Jovanovic | 2:06.2500 |
| 55th | 26 | Sergio Nardi / Angel Nardi / Steve Michaelson | Porsche Carrera | Nardi Motors | 1:59.9860 |
| 56th | 5 | Peter Herke / Dieter Schulz / Reinhard Riedel | BMW 3.5 CSL | Peter Herke | 2:10.5660 |
| 58th | 10 | Ron Esau / S. B. Fritz | Pontiac Firebird | Donna Schons | no time |
| 59th | 31 | Tom Alan Marx / Dennis Lanfre / Bill Follmer | Porsche 911 Carrera RSR | RSR Associates | no time |
| 60th | 35 | Mandy Gonzalez / Bonky Fernandez | Porsche 934 | HSM Racing | no time |
| 61st | 44 | Ken McNicol / Dwayne Anderson | Datsun 240Z | M & M Garage | no time |
| 62nd | 47 | Bill Shaw / Bud Cashen | Lotus Esprit S1 | CACI | no time |
| 63rd | 53 | Steve Michaelson / Jeff Scott | Porsche Carrera | Quick Associates | no time |
| 64th | 57 | Robert Overby / Jeff Scott / Wayne Baker | Porsche 914/6 | Personalized Autohaus | 2:01.1490 |
| 65th | 67 | Joe Crevier / Al Unser, Jr. | BMW M1 | Joe Crevier | no time |
| 66th | 79 | John Morton / Milt Minter | Ferrari 365 GT4/BB | North American Racing Team | 2:01.4000 |